PolyurethanesIsocyanatesToluene 2,4-DiisocyanateCastor OilSiliconesCyanatesElastomersBiocompatible MaterialsMaterials TestingImplants, ExperimentalPolyvinyl ChlorideEquipment FailurePolyestersChemical IndustryAir Pollutants, OccupationalAdhesivesSilicone ElastomersGastrostomyPolycarboxylate CementSurface PropertiesTissue ScaffoldsScleral DiseasesCatheters, IndwellingLatexElectroplatingCoated Materials, BiocompatibleOcclusive DressingsZygomaForeign-Body Reaction